<script setup lang="ts">
import { ref, onUnmounted } from 'vue'
import { mobileRules, passwordRules, codeRules } from '@/utils/rules'
import { showToast, showSuccessToast, type FormInstance } from 'vant'
import { loginByPassword, sendMobileCode, sendlogin } from '@/services/user'
import { useUserStore } from '@/stores'
import { useRoute, useRouter } from 'vue-router'
const store = useUserStore()
const route = useRoute()
const router = useRouter()
// 手机
const mobile = ref('13230000001')
// 短信验证码登录
const isPass = ref(false)
const code = ref('')
// 密码
const password = ref('abc12345')
// 控制密码是否显示
const show = ref(false)
// 协议
const agree = ref(false)
// 表单提交
const login = async () => {
  if (!agree.value) return showToast('请同意协议')
  // 验证完毕，进行登录
  // console.log(loginByPassword(mobile.value, password.value))
  const res = isPass.value
    ? await sendlogin(mobile.value, code.value)
    : await loginByPassword(mobile.value, password.value)
  store.setUser(res.data)
  router.push((route.query.returnUrl as string) || '/user')
  showSuccessToast('登录成功')
}
const from = ref<FormInstance>()
const time = ref(0)
let timeId: number
const send = async () => {
  // 已经倒计时time的值大于0，此时不能发送验证码
  if (time.value > 0) return
  await from.value?.validate('mobile')
  await sendMobileCode(mobile.value, 'login')
  showSuccessToast('发送成功')
  time.value = 60
  // 倒计时
  clearInterval(timeId)
  timeId = window.setInterval(() => {
    time.value--
    if (time.value <= 0) window.clearInterval(timeId)
  }, 1000)
  onUnmounted(() => {
    window.clearInterval(timeId)
  })
}
</script>

<template>
  <div class="login-page">
    <cp-nav-bar right-text="注册" @click-right="$router.push('/register')">
    </cp-nav-bar>
    <!-- 头部 -->
    <div class="login-head">
      <h3>{{ isPass ? '验证码登录' : '密码登录' }}</h3>
      <a href="javascript:;">
        <span @click="isPass = !isPass">
          {{ isPass ? '密码登录' : '短信验证码登录' }}
        </span>
        <van-icon name="arrow"></van-icon>
      </a>
    </div>
    <!-- 表单 -->
    <van-form autocomplete="off" @submit="login">
      <van-field name="mobile" placeholder="请输入手机号" type="tel" v-model="mobile" :rules="mobileRules">
      </van-field>
      <van-field v-if="isPass" placeholder="请输入验证码" type="tel" v-model="code" :rules="codeRules">
        <template #button>
          <span class="btn-send" :class="{ active: time > 0 }" @click="send">
            {{ time > 0 ? `${time}s后再次发送` : '获取验证码' }}
          </span>
        </template>
      </van-field>
      <van-field v-else placeholder="请输入密码" :type="show ? 'text' : 'password'" v-model="password" :rules="passwordRules">
        <template #button>
          <cp-icon @click="show = !show" :name="`login-eye-${show ? 'off' : 'on'}`"></cp-icon>
        </template>
      </van-field>
      <div class="cp-cell">
        <van-checkbox v-model="agree">
          <span @click="agree != true">我已同意</span>
          <a href="javascript:;">用户协议</a>
          <span>及</span>
          <a href="javascript:;">隐私条款</a>
        </van-checkbox>
      </div>
      <div class="cp-cell">
        <van-button block round type="primary" native-type="submit">
          登 录
        </van-button>
      </div>
      <div class="cp-cell">
        <a href="javascript:;">忘记密码？</a>
      </div>
    </van-form>
    <!-- 底部 -->
    <div class="login-other">
      <van-divider>第三方登录</van-divider>
      <div class="icon">
        <img src="@/assets/qq.svg" alt="" />
      </div>
    </div>
  </div>
</template>

<style lang="scss" scoped>
.login {
  &-page {
    padding-top: 46px;
  }

  &-head {
    display: flex;
    padding: 30px 30px 50px;
    justify-content: space-between;
    align-items: flex-end;
    line-height: 1;

    h3 {
      font-weight: normal;
      font-size: 24px;
    }

    a {
      font-size: 15px;
    }
  }

  &-other {
    margin-top: 60px;
    padding: 0 30px;

    .icon {
      display: flex;
      justify-content: center;

      img {
        width: 36px;
        height: 36px;
        padding: 4px;
      }
    }
  }
}

.van-form {
  padding: 0 14px;

  .cp-cell {
    height: 52px;
    line-height: 24px;
    padding: 14px 16px;
    box-sizing: border-box;
    display: flex;
    align-items: center;

    .van-checkbox {
      a {
        color: var(--cp-primary);
        padding: 0 5px;
      }
    }
  }

  .btn-send {
    color: var(--cp-primary);

    &.active {
      color: rgba(22, 194, 163, 0.5);
    }
  }
}
</style>
